Home / 2,321.60-3,478.35-1,934.09

Finding the Fourth Proportional to 2,321.60, 3,478.35 and 1,934.09

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Solution

The fourth proportional to 2,321.60, 3,478.35 and 1,934.09 is: 2,897.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.60 : 3,478.35 = 1,934.09 : x
  2. Step 2: Convert to fraction form
    2,321.60/3,478.35 = 1,934.09/x
  3. Step 3: Cross multiply
    2,321.60x = 3,478.35 × 1,934.09
  4. Step 4: Simplify right side
    2,321.60x = 6,727,430.35
  5. Step 5: Solve for x
    x = 6,727,430.35/2,321.60
  6. Step 6: Final answer
    x = 2,897.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.